Respuesta :
The correct answer for this question is B. P(A | B) = P(A). Another equation used for independent events is P(B | A) = P(B). When the multiplication rule is applied, this gives an alternative definition of independence which is:
P(A ∩ B) = P(A)*P(B)
Independent events are events that can occur without affecting or changing the probability of the other.
P(A ∩ B) = P(A)*P(B)
Independent events are events that can occur without affecting or changing the probability of the other.
Answer with Step-by-step explanation:
A and B are independent events.
Then, we have to find,which equation below must be true.
A. P(A) = P(B)
No, this is not true, example
A: Occurence of 1 in rolling a die P(A)=1/6
B: occurence of an even number on rolling a die P(B)=1/2
B. P(A | B) = P(A)
This is true
since, P(A|B)+P(A)/P(A∩B) and, P(A∩B)=P(A)P(B)
C. P(A ∩ B) = P(A)
This is not true
since, P(A∩B)=P(A)×P(B)
D. P(B) = P(A | B)
This is not true